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매크로/마이크로 레벨 볼트 결합 구조물에서의 실험적/해석적 방법을 통한 시스템 특성 비교
김봉석,이성민,이문구,이수훈,Jun Ni,송준엽,이창우,하태호 한국공작기계학회 2006 한국공작기계학회 추계학술대회논문집 Vol.2006 No.-
As the micro technology and miniaturization of a structure and component in the last couple of decades have been concretely realized, the understanding of structural and dynamic characteristics and prediction of dynamic behavior are indispensable to the miniaturized structures and micro machines. This paper shows the effect of dynamic characteristics in bolt-jointed structures by comparing natural frequencies and mode shapes between macro and micro-scale beams through experimental modal analysis and finite element analysis with a1 8 test models by materials, by size, and by joining condition; that is, SS41 and A16061-T651, micro and macro, and monolithic beam and bolt-jointed beam.
朴基榮,李浚龜,金永一,朴泰均,辛泳一,黃載然,李賢,李秉烈 대전대학교 한의학연구소 2002 한의학연구소 논문집 Vol.10 No.2
As mentioned above, I have acquired some valuable results about medical treatment with acupuncture and Moxibustion of " Flank pain" after studying oriental medical books . The results Were like below: 1. Medical treatment with acupunctures of Flank pain belonged to the Urinary Bladder Meridian of Foot Taiyang, the Liver Meridian of Foot Jueyin, the Gall Bladder Meridian of Foot Shaoyang. 2. Medical treatmcnt with acupunctures of Flank pain used to Yang-laung-chan(陽陵泉), Gi-gu(支溝), Gi-mun(期門), Kan-su(肝兪) in turn. 3. Medical treatment with Ear acupunctures of Flank pain used to Dam(膽), Sin-Mun(神門), Gan(肝)in turn 4. Acupuncture point of Flank pain were lowrer limb part. chest and abdominal part, back part in turn. 5. Medical treatment with Moxibustion of Flank pain was the most Jang-mun(章門)
B형 간염 바이러스 단백질에 있어서 HLA-A2에 의해 표현되는 Epitope 펩타이드 들의 분석
이희구,임종석,김승목,이기영,김희수,김승호,권태종,최인성,정태화,김길현 梨花女子大學校 藥學硏究所 1995 藥學硏究論文集 Vol.- No.5
The cytotoxic T lymphocyte (CTL) are an important component in host defense mechanism against viral infection. They can recongnize virus-derived peptides presented by the Class I MHC molecule at the cell surface of the infected cells. On searching for effective CTL epitopes of hepatitis B virus(HBV), we synthesized a distinct set of 9-10 mer peptide containing amino acid sequence of hepatitis B virus surface protein that are selected on the basis of a computer modeling and the previously described HLA-A2 specific motifs.Binding assay of the synthetic peptides to HLA-A2 molecules using human antigen processing defectant T2 cells showed that 3 out of 4 synthetic peptides enhanced the expression of HLA-A2 molecule on T2 cell surface.Two anchor positions, namely P2 and P9(or P10) appeared to play a decisive role for binding.Structural. characteristics of the peptides addressed by molecular dynamics simulation was analysed and compared.These peptides also partially triggered CTL isolated from human peripheral blood mononuclear cells of HBV positive patients, and the response was peptide-spcific.These results showed that negatively-charged amino acid residue at P2 hampered binding affinity of the peptides to HLA-A2 molecules, and that binding affinity of the peptides are not always reflected by their immunogenicity among natural T cell repertoire.
B형 간염 바이러스 단백질에 있어서 HLA-A2에 의해 표현되는 Epitope 펩타이드 들의 분석
이희구,임종석,김승목,이기영,김희수,김승호,권태종,최인성,정태화,김길현 이화여자대학교 생명과학연구소 1995 생명과학연구논문집 Vol.6 No.-
The cytotoxic T lymphocyte(CTL) are an important component in host defense mechanism against viral infection. They can recongnize virus-derived peptides presented by the ClassⅠ MHC molecule at the cell surface of the infected cells. On searching for effective CTL epitopes of hepatitis B virus(HBV), we synthesized a distinct set of 9-10 mer peptide containing amino acid sequence of hepatitis B virus surface proteion that are selected on the basis of a computer modeling and the previously described HLA-A2 specific motifs. Binding assay of the synthetic peptides to HLA-A2 molecules using human antigen processing defectantn T2 cells showed what 3 out of 4 synthetic peptides enhaced the expression of HLA-A2 molemule on T2 cell surface. Two anchor positions, namely P2 and P9(or P10) appeared to play a decisive role for binding. Structural chacteristics of the peptides addressed by molecular dynamics simulation was analysed and compared. These peptides also parially triggerd CTL isolatied frmo human peripheral blood mononuclear cells of HBV positive patients, and the response was peptide-specific. These results showed that negatively-charged amino acid residue at P2 hampered binding affinity of the peptides to HLA-A2 molecules, and that binding affinity of the peptides are not always reflected by thier immunogenicity among natural T cell repertoire.
복압성요실금(Stress urinary incontinence)과 절박성요실금(Urge incontinence)환자에서 TVT 수술 결과의 비교
이경구,이준호,권용욱,정태융,심희영,이상익 관동대학교 의과대학 의과학연구소 2005 關東醫大學術誌 Vol.9 No.1
Tension-free vaginal tape(TVT) has been widely used in the management of stress urinary incontinence(SUI), and has been applied to urge incontinence (UI). We evaluated and compared the outcomes between SUI and UI for patients who had undergone TVT. Patients were categorized into SUI(33 patients) and UI(26 patients). Before treatment, we asked about LUTSs using female bladder questionnaire. And we asked about sexual function. After treatment, the same questionnaires were repeated. During the postperative period, the objective and subjective success rate were evaluated. For operation outcome results, in SUI group there were 29 cases of cure (87.9%)and 2 of improvement(6.1%), and in UI group there were 20 cases of cure(76.9%)and 3 of improvement(11.5%) (p>0.05). The operation satisfaction rate of patients was 90.9% in SUI group and 84.6% in UI group(p>0.05). Improvement of sexual satisfaction occurred in 6(20.0%) of SUI group, and 3 (18.8%) of UI group, respectively(p>0.05). The objective success rate, satisfaction rate and sexual satisfaction of SUI patients did not significantly differ from the women with UI. Also, these results shows that TVT procedure improves some LUTSs in both groups. We consider the TVT procedure to be an effective treatment not for stress urinary incontinence but also urge incontinenece.
李武康,黃泰九 경성대학교 1989 論文集 Vol.10 No.1
The batch and cotinuous study were performed to determine the optimum condition for the ozonization of alachlor. In the batch study, alachlor removal per unit ozone application rate was found to be 1.44 when the initial concentration of alachlor was 5 folds or greater than the ozone concentration. Alachlor removal was inhibited with the addition of NH??Cl and methanol. The removal, however, increased with pH and temperature. A continuous ozone oxidation study was also performed with alachlor wastewater. The COD removal efficiency was 21.4% at 10 minutes of reaction time, but alachlor removal was 3.8% only.
A. 高校 科學 (生物·地球科學) 및 數學科 探究學習의 評價模型 定立과 評價紙 開發
李相協,權炳奎,林在圭,孫文求,吳岱燮,楊洪準,梁承榮,姜用熙,林成圭,金正遠,金吉民,兪正在 경북대학교 과학교육연구소 1982 科學敎育硏究誌 Vol.6 No.-
Currently the evaluation of high school science and mathematics learning has been too much knowledge-centered without concerning the inquiring ability or scientific attitude. This study, therefore, was made for the purpose of establishing of evaluation model for high school science (biology and earth science) and mathematics learning and its evaluation items. In this paper, the research was done about three fields, biology, earth science and mathematics. 1. For the biology, the evaluation methods of inquiry learning were studied with the foreign references, and proper evaluation items were suggested. 2. For the earth science, after analizing 5 kinds of earth science textbook of current using in high school, essential 19 items were selected. 5 of them were tested in test group and control group, then, the results were analized. 3. For the mathematice, the teaching elements of「Set」and「Flow chart」in mathematics (Ⅰ) were selected and structured. Detailed teaching objects were established and evaluation items were introduced.
정구현,이해길,박인태,이철희 한국농업정보과학회 2000 농업정보과학 Vol.2 No.1
This study was performed to investigate the status of using personal computer(PC) and to develope strategy to improve PC utilization of Cactus Farmers. Sixty nine farmers are surveyed to collect data. Many farmers had intention to use PC to manage Cactus and have recognized that PC is required to manage farm and to improve their life quality. As a result of analysis on farmers' need for agricultural information, they highly demanded infor-mation on production skills, marketing information, overseas production trends, imports and exports information. Some farmers using or having intention to use software for Cactus farming want software to be developed and dis-tributed to support production technolog', labor management production cost and benefit analysis etc.